The Payment Abstraction code underwent multiple independent audits and a public security contest without any critical or high-severity issues being found

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The Payment Abstraction codebase underwent multiple private independent security audits from Sigma Prime and Trail of Bits, as well as a public competitive audit on the Code4Rena platform that featured a $100K prize pool where no critical or high severity issues were found. The source code for Payment Abstraction is available on GitHub and additional documentation used in the Code4Rena contest can be found here.